whitespace fixes only.

apps/app_amd.c

apps/app_authenticate.c

apps/app_cdr.c

apps/app_chanisavail.c

apps/app_channelredirect.c

apps/app_chanspy.c

apps/app_controlplayback.c

apps/app_db.c

apps/app_dial.c

apps/app_dictate.c

apps/app_directed_pickup.c

apps/app_directory.c

apps/app_disa.c

apps/app_dumpchan.c

apps/app_echo.c

apps/app_exec.c

apps/app_externalivr.c